ASTM 781合金铸件中关于熔炼分析和成品分析的问题

ZCWY309

《ASTM 781一般工业用钢和合金铸件通用要求》中提到的熔炼分析和成品分析是由毛坯制造商做还是由毛坯采购方来做。

lyklzy

ASTM 781 SPECIFICATION FOR CASTINGS, STEEL AND ALLOY, COMMON REQUIREMENTS, FOR GENERAL INDUSTRIAL USE
                一般工业用钢和合金铸件通用要求

5. Chemical Composition
5.1 Chemical Analysis — Chemical analysis of materials covered by this specification shall be in accordance with
      Test Methods, Practices, and Terminology A 751.
5.2 Heat Analysis — An analysis of each heat shall be made by the manufacturer to determine the percentages
      of the elements specified in the individual specification for the grade being poured. ------
5.3 Product Analysis — A product analysis may be made by the purchaser from material representing eachheat,
      lot, or casting. ------
熔炼分析 shall be made by the manufacturer. (强制性的)应由制造厂做。
成品分析 may be made by the purchaser. 可以由采购方做。一般情况下都是制造厂做。

carlee

二楼很强大